#63D4FF#63D4FF

#63D4FF is a very light, moderate cyan. Relative luminance 0.570; OKLCH L 82.1% C 0.119 H 226.1°. Best body text is #000000 at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#63D4FF
RGB	rgb(99, 212, 255)
HSL	hsl(197, 100%, 69%)
HSV	hsv(197, 61%, 100%)
CMYK	cmyk(61.2%, 16.9%, 0%, 0%)
CIE-LAB	lab(80.15, -19.82, -30.62)
CIE-LCH	lch(80.15, 36.48, 237.08°)
OKLab	oklab(82.08% -0.0823 -0.0854)
OKLCH	oklch(82.08% 0.119 226.1)
XYZ	xyz(46.7320, 56.9549, 103.1189)
Luminance	0.5696 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D4FF #FF8E63

analogous

#63FFDC #63D4FF #6386FF

triadic

#63D4FF #FF63D4 #D4FF63

tetradic

#63D4FF #DC63FF #FF8E63 #86FF63

square

#63D4FF #DC63FF #FF8E63 #86FF63

split-complementary

#63D4FF #FF6386 #FFDC63

monochromatic

#00A8E8 #26C3FF #63D4FF #A0E5FF #DDF6FF

Accessibility & contrast

On white

1.69

#63D4FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.39

#63D4FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D4FF

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D4FF	#FFFFFF	#000000	##000000
##63D4FF	1.00	1.69	12.39	12.39
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.39	21.00	1.00	1.00
##000000	12.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDD0FF

Deuteranopia (green-blind)

#A7C0FF

Tritanopia (blue-blind)

#00E1E2

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #63d4ff;
/* rgb */ color: rgb(99, 212, 255);
/* oklch */ color: oklch(82.1% 0.119 226.1);

Tailwind

colors: {
  custom: {
    50: '#9de1ff',
    500: '#63d4ff',
    950: '#000000',
  },
}

SCSS

$custom: #63d4ff;
$custom-light: #9de1ff;
$custom-dark: #000000;

JSON

{
  "hex": "#63d4ff",
  "rgb": {
    "r": 99,
    "g": 212,
    "b": 255
  },
  "hsl": {
    "h": 196.538,
    "s": 100,
    "l": 69.412
  },
  "oklch": {
    "l": 0.82076,
    "c": 0.11864,
    "h": 226.1
  },
  "luminance": 0.5696
}

Semantic roles & 50–950 ramp

primary

#63D4FF

secondary

#DA5C2C

accent

#3F00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101518

muted

#808486

Preview Lab

Preview with #63D4FF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →